Slender tuna
Encyclopedia
The slender tuna, Allothunnus fallai, is a species of tuna
Tuna
Tuna is a salt water fish from the family Scombridae, mostly in the genus Thunnus. Tuna are fast swimmers, and some species are capable of speeds of . Unlike most fish, which have white flesh, the muscle tissue of tuna ranges from pink to dark red. The red coloration derives from myoglobin, an...

, the only species in the genus Allothunnus, found around the world in the southern oceans between latitudes 20° and 50° South. Its length is up to one metre (3.3 feet).
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